1422081706849 has 2 divisors, whose sum is σ = 1422081706850. Its totient is φ = 1422081706848.

The previous prime is 1422081706847. The next prime is 1422081706861. The reversal of 1422081706849 is 9486071802241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1365142202449 + 56939504400 = 1168393^2 + 238620^2 .

It is an emirp because it is prime and its reverse (9486071802241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422081706849 - 2¹ = 1422081706847 is a prime.

Together with 1422081706847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1422081706796 and 1422081706805.

It is not a weakly prime, because it can be changed into another prime (1422081706847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711040853424 + 711040853425.

It is an arithmetic number, because the mean of its divisors is an integer number (711040853425).

Almost surely, 2^{1422081706849} is an apocalyptic number.

It is an amenable number.

1422081706849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422081706849 is an equidigital number, since it uses as much as digits as its factorization.

1422081706849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 1422081706849 in words is "one trillion, four hundred twenty-two billion, eighty-one million, seven hundred six thousand, eight hundred forty-nine".